Haf-E
Expedition Leader
Ah - There was also an XM656 version as well - so he probably just mixed up the two numbers together...
Here is a good site on all of the variants:
http://www.jedsite.info/transport-mike/mike-number-us/m656_series/m656-series.html
Here is a good site on all of the variants:
http://www.jedsite.info/transport-mike/mike-number-us/m656_series/m656-series.html